In Lingnan from the 10th to the 17th year of the Republic of China, Niu Shuhan, a female high school student in Guangdong Province, and Liu Feng, a music teacher, fell in love with each other because of the sound of the piano, and they made a promise to make love next month amid the sound of the piano under the shade of a banyan tree. However, in order to cling to the rich and powerful, Liu Feng married a wealthy man, and Shuhan's family was also framed by the Beiyang Army, and his family was ruined.
Shuhan, who fell into a brothel, was kidnapped by the bandit Yin Rui and reunited with Liu Feng, who had become a general of the Northern Expedition. In troubled times, love becomes a victim of intrigue and war. Shuhan struggles between redemption and destruction, and finally ends his mortal relationship on the edge of a cliff.
As a bystander, Su Manshu witnessed the rise and fall of this evil fate. The rain in Lingnan intertwines with the music of the piano, and the story of love and betrayal, redemption and death is framed in the bloody tragedy beside the Sansheng Stone.